instructional video

The apostrophe is used to show possession. It indicates the number of owners, not the number of items.

1 owner

His car = the boy's car - (1 boy, 1 car)
His cars = the boy's cars - (1 boy, 2+ cars)

2+ owners

Their car = the boys' car - (2+ boys, 1 car)
Their cars = the boys' cars - (2+ boys, 2+ cars)

Irregular

The man's car - (1 man, 1 car)
The men's car - (2+ men, 1 car)

Nouns ending with an 'S' Sound

The Jones' house OR The Jones's house - (1 family named Jones)
The Joneses' house - (2+ families named Jones)

The fox' den OR The fox's den - (1 fox)
The foxes' den - (2+ foxes)

In Depth Instruction

Practice

The box will turn green when you fill in the correct word.

  1. The bones are buried in the yard. (2 dogs)
  2. My battery is dead. (1 phone)
  3. Where is your house? (2 parents)
  4. The volleyball match starts at 7 pm. (many women)
  5. That suit looks expensive. (1 man)
  6. The new car is red. (The Smith Family)
  7. Stop! The school lights are flashing. (1 bus)
  8. The tires are all flat. (3 buses)